final defgetClass(): Class[_]

Stats all loose class-files in the current classpath that could
conceivably be part of some package, i.e.

Stats all loose class-files in the current classpath that could
conceivably be part of some package, i.e. their directory path
doesn't contain any non-package-identifier segments, and aggregates
their names and mtimes as a "signature" of the current classpath